48 lines
1.7 KiB
Diff
48 lines
1.7 KiB
Diff
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From 49174ab592cdfa6f1a929a2ee3d4b4976f9459fd Mon Sep 17 00:00:00 2001
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From: Michael Adams <mdadams@ece.uvic.ca>
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Date: Tue, 19 Jan 2021 22:59:33 -0800
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Subject: [PATCH] Fixes #259
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---
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src/libjasper/jp2/jp2_dec.c | 12 ++++++++++--
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1 file changed, 10 insertions(+), 2 deletions(-)
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diff --git a/src/libjasper/jp2/jp2_dec.c b/src/libjasper/jp2/jp2_dec.c
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index 4acf004..60dee42 100644
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--- a/src/libjasper/jp2/jp2_dec.c
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+++ b/src/libjasper/jp2/jp2_dec.c
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@@ -255,7 +255,7 @@ jas_image_t *jp2_decode(jas_stream_t *in, const char *optstr)
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with the data in the code stream? */
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if ((samedtype && dec->ihdr->data.ihdr.bpc != JP2_DTYPETOBPC(dtype)) ||
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(!samedtype && dec->ihdr->data.ihdr.bpc != JP2_IHDR_BPCNULL)) {
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- jas_eprintf("warning: component data type mismatch\n");
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+ jas_eprintf("warning: component data type mismatch (IHDR)\n");
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}
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/* Is the compression type supported? */
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@@ -278,7 +278,7 @@ jas_image_t *jp2_decode(jas_stream_t *in, const char *optstr)
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++i) {
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if (jas_image_cmptdtype(dec->image, i) !=
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JP2_BPCTODTYPE(dec->bpcc->data.bpcc.bpcs[i])) {
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- jas_eprintf("warning: component data type mismatch\n");
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+ jas_eprintf("warning: component data type mismatch (BPCC)\n");
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}
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}
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} else {
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@@ -409,6 +409,14 @@ jas_image_t *jp2_decode(jas_stream_t *in, const char *optstr)
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}
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}
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+ /* Ensure that the number of channels being used by the decoder
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+ matches the number of image components. */
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+ if (dec->numchans != jas_image_numcmpts(dec->image)) {
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+ jas_eprintf("error: mismatch in number of components (%d != %d)\n",
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+ dec->numchans, jas_image_numcmpts(dec->image));
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+ goto error;
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+ }
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+
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/* Mark all components as being of unknown type. */
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for (i = 0; i < JAS_CAST(jas_uint, jas_image_numcmpts(dec->image)); ++i) {
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